At one point in history, the United States had upwards of 14,000 wooden covered bridges. Most of them were built between 1825 and 1875 to cross a stream or river and were intended to withstand the elements. An uncovered wooden bridge may have a life span of only about 20 years while a covered bridge could stand for more than 100. Even still, they don"t fare well without upkeep and restoration costs can be high. That"s why iron replaced wood as the preferred bridge-building material in the mid-1800s. These days, fewer than 900 of the original wooden covered bridges are believed to still be standing. The A. M. Foster Bridge, seen in today"s photo, can be found in Cabot, Vermont.
A. M. Foster Bridge in Cabot, Vermont
Today in History
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A big birthday for Big Bend
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Classical music takes center stage
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It s Census Day—make it count
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Fossil Day
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Spotted owlet, Bangkok, Thailand
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It’s Penguin Awareness Day
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Heavens Gate Cave, Tianmen Mountain National Park, China
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World Rivers Day
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Burrowing owls
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Gazing down on planet Earth
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Cherry blossoms spring to life
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Tigh Mor Trossachs on Loch Achray, Scotland
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Honoring some real heroes of World War II
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Collared aracari in Costa Rica
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Death Valley National Park, California
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A grand event
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Gamboa Crater, Mars
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Pearl Harbor Day
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A swim in the sky
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Brown-throated three-toed sloth in cecropia tree, Costa Rica
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Talk like a pirate—or walk the plank
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The persistence of Perito Moreno
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Bluebells in Hertfordshire, England
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Aït Benhaddou, Morocco
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Happy birthday to the Peak!
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International Literacy Day
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To the 155th on the 155th
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It s harvest time on World Food Day
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Meet our fuzzy Earth Day mascot
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Salzburg, Austria
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